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The molecular formula of Aluminum Phosphite is Al2 (HPO3)3·2H2O. It is a phosphorus-based halogen-free environmentally friendly flame retardant that can work synergistically with a variety of phosphorus-nitrogen flame retardants and is used to flame retard polyamide and polyester materials.
The molecular formula of Aluminum Phosphite is Al2 (HPO3)3·2H2O. It is a phosphorus-based halogen-free environmentally friendly flame retardant that can work synergistically with a variety of phosphorus-nitrogen flame retardants and is used to flame retard polyamide and polyester materials. It also has the effect of slowing down the oxidation and discoloration of materials during processing，and is fully compliant with the requirements of environmental regulations such as RoHS 2.0 and REACH regulations.
| Average particle size | Water solubility | Water content | True Density | pH | Bulk density | Decomposition temperature | Phosphorus content | Nitrogen content | Cr, Cd, Pb, Hg, As | Whiteness |
| ≤16 μm | ≤0.5 g/100ml | ≤0.5 % | 1.9 ± 0.1 g/cm³ | 3.5~6 | 0.4~0.6 g/cm³ | / | 28~30 % | / | / | ≥97 % |
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